Vacuum cleaning device.



J. H. GOEHST & J. A. DUNLAP.

VAGUUM CLEANING DEVICE. v

APPLIOATION FILED SEPT. 7, 1909. 950,767. Patented Mar. 1,1910.

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950,767. Patented Mar. 1, 1910.

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JOHN GOEHSTIAND JOHN A. DUNLAP. OF CHICAGO. ILLINOIS. ASSIGNORS TO .FED-EBAL ELECTRIC COMPANY. OF CHICAGO. ILLINOIS A CORPORATION OF ILLINOIS.

VACUUM CLEANING DEVICE.

Specification of Letters Patent.

Patented Mar. 1, 1910. Application filedScptember 7', 1509. Serial No.516.536.

To all whom it in u 1/ concern:

lle it known that we,.lo11x H. Goicns'r and JOHN A. lJti-XLAP, citizensof the United States, and residents of Chicago, in the county of Cookand State of lllmois, have invented certain new and useful improvementsin Vacuum Cleaning Devices; and we do hereby declare that the followingis a full, clear, and exact tillwtl'llrtlttll thereof, roteence beinghad to the accou-ipairying drawings, and to the characters of referencemarked thereon, which term a part of this specification. v

This invention relates to a vacuum c eaning device and more particularlyto a novel construction and arrangement of dust separator and collector.

The improvements described herein are applicable. to an}: vacuumcleaningdevice but are especially advantageous in use with a portable vacuumcleaning device. such as that. described in an application filed by uson September 7th, 1905), Serial No. 516,585.

The invention consists of the combination of parts hereinafter describedand pointed out in the appended claims.

In the drawings :'Figure l is a side elevation of a vacuum cleaningapparatus provided with the novel :t'catures referred to herein,- as it;appears when applied to a portable vacuum cleaner, such as thatdescribed inthc application above referred to. l ig. 2 is a verticalsection through the dust separator and collector. Fig. 3 'is atransverse se tion ,through Fig. :2 on the line 33 thereof. Fig. l is apartial vertical section through Fig. 2 on the line t l thereof.

In the urawiugs. 10 is a dust collector, ll

'an inclosing dome and 12 the separator.

The. dust collector is preferably of conical shape, with the smaller endat the bottom.

13 indicates a lixcd pipe secured in any convcmeut manner to the wall ofthe dust collector, said 'tixcd pipe being providedwith a screw-threadednozzle 13 by. means of which may be attached a flexible hose 14 providedwith a vacuum tool 15 in the usual manner.

It? i'ndicatesa fixed pipe which projects through thewall of the dustcollector 10 and is rigidly secured thereto in any convenient; manner.it. connects at one end with the interior of the separator as indicatedat 17, and at its other end is connected to a. suction proshaped lugs21, 21.

during device as indicated a t. 17. The demo 11 and the conical shapeddust collector 10 are provided respectively with flanges 11 and 10" bymeans of which they are secured together. there being interposed betweenthem a washer 10 to makethe joint air tight. Said flanges also furnish ameans for securing the two parts. thus attached together to a cabinet 18such. for example, as that used in the portable vacuum cleanersdescribed in the application referred to.

The lower end of the dust collector-10 is provided with a cylindricaltlange 19 which is surrounded b v a ring or band 20 provided on oppositesides of its surface with wedge- Said collector is closed at the bottomby means of a. disk 22 provided on its upper surface with an annulargroove in which is located a washer 23 adapted to abut; against thelower edges of the flange 19 and the band 20. 24, 24 indicateupstanding, oppositely arranged lugs formed on said disk. They areprovidedwith horizontal grooves which are adapted to engagethe'wcdge-shapcd lugs 21, 21. 25

indicates an operating handle formed on one side of said disk by meansof which it may be rotated to disengage the slotted lugs 24;, from thewedge-shaped lugs 21 and thus remore the bottom from the collector.

The separator is of conical shape with the smaller end at the bottom. Itcomprises a head 27 and base 28, each composed of concave disks 27 27*and 28 28 which are secured together back to back by means of suitablerivets. Said heads are spaced apart by means of spacing bars 29, Theouter peripheries of the heads are connected by means of a wall offabric 12 which will permit the flow of air but will not permit the dustor other impurities to pass through means of Wires 30, 31. The suctionpipe 16 is attached to the bottom head 28 by means of a suitable'thimblel7 and Washers 17 17.

By reason (if the shape of the separator with the bottom of smallerdiameter than the top, as the dust ladencd air is sucked through themeshes of the fabric 12 f0rmingthe wall thereof, the dust collects onthe all momentarily, and then by reason of the fact that the said wallfalls away toward the bottom, the dust drops therefrom and falls it.Saidfabric wall is secured in place by into the dust collector 10, andcollects on We claim as our invention 1. In a vacuum cleaner of theclass described, aninclosed chamber, a separator located within saidchamber, said separator comprising upper and lower heads with means forspacing them apart, the lower head-being smallerthan the upper head, anda screen forming the conical wall of said separator secured to saidheads, a sum tion pipe secured. tothe lower head of said separator andopening within said separator said suction pipe acting to support saidseparator, and an entrance pipe opening into said inclosed chamber.

.2. Ina vacuum cleaner of the class described, a conical dust collector,a bottom removably secured thereto, a dome secured 3 t0 the top of saidcollector, a separatorlocated in said dome, said separator comprismgupper and lower heads, and an inclosing screen secured thereto, thelower head being smaller than the upper head, a su'ction pipe secured tothe bottom head and opening within said separator, said suction pipepassing out through the 'walls of said collector and being securedthereto, and an i entrance pipe secured to the wall of said collectoropposite said suction pipe.

In a vacuum cleaning system, a separator having upper and lower heads,the lower head being smaller than the upper head, spacing bars secured,respectively, to said upper and lower heads adapted to brace them apart,a conical screen secured to said head forming the side wall of said saidseparator and secured to the lower hcad' thereof, said suction pipebeing adapted to support said separator.

In testimony that we claim the foregoing i as our invention we affix oursignatures in the presence of two witnesses, this th day 1 of August, A.D. 1909.

JOHN H. GO'EHST. JOHN A. DUNLAP.

Witnesses: I CLATENCE E. MEHLHOPE, GEORGE E; VVILKINs.

separator, and a suction pipe opening into

